1.

Many theories and experiments carried out for the studey of atom eventually led to the development of its structure . Arrange the given theories or models of atom proposed by different scientists in chronological order. (a) Planetary model (b) Watermelon model (c) Bohr's atomic model (d) Dalton's atomic theory

Answer»

c b a d
d a b c
b a d c
d b a c

Solution :The different models/theories proposed are arranged in a CHRONOLOGICAL order which LED to the DEVELOPMENT of modern structure of the ATOM.
(i) Dalton's atomic theory
(ii) Watermelon MODEL
(iii) Planetary model
(iv) Bohr's atomic model


Discussion

No Comment Found